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Changes in Farm Production and Efficiency
United States. Department of Agriculture. Economic Research Service. National Economic Analysis Division
Evelyn T. Black
其他書名
A Special Issue Featuring Historical Series
出版
The Service
, 1976
URL
http://books.google.com.hk/books?id=OMp_WyvicqoC&hl=&source=gbs_api
EBook
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